We can random_start() earlier (not that it does too much) and call

arc4random() much earlier.  Leading to random pids for anything
besides 0 and 1.

diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c
index 2e8cade..eb6415b 100644 (file)
--- a/sys/kern/init_main.c
+++ b/sys/kern/init_main.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: init_main.c,v 1.192 2013/12/01 16:40:56 krw Exp $     */
+/*     $OpenBSD: init_main.c,v 1.193 2013/12/28 03:04:20 deraadt Exp $ */
 /*     $NetBSD: init_main.c,v 1.84.4.1 1996/06/02 09:08:06 mrg Exp $   */
 
 /*
@@ -340,6 +340,9 @@ main(void *framep)
        sleep_queue_init();
        sched_init_cpu(curcpu());
 
+       random_start();
+       srandom(arc4random());
+
        /* Initialize work queues */
        workq_init();
        taskq_init();
@@ -447,6 +450,8 @@ main(void *framep)
            &initproc))
                panic("fork init");
 
+       randompid = 1;
+
        /*
         * Create any kernel threads whose creation was deferred because
         * initproc had not yet been created.
@@ -533,8 +538,6 @@ main(void *framep)
        microtime(&rtv);
        srandom((u_int32_t)(rtv.tv_sec ^ rtv.tv_usec) ^ arc4random());
 
-       randompid = 1;
-
 #if defined(MULTIPROCESSOR)
        /* Boot the secondary processors. */
        cpu_boot_secondary_processors();